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Our project is based on the arctic tundra biome. This biome is among Earth's coldest and harshest biome's. It's located in the northern and southern hemisphere of the world. Hope you enjoy our presentation.
Climate
Tundra's are among Earth's coldest biome's, so climate in most Arctic Tundra's are cold and windy. But rain is very minimum.
There is very little precipitation in the Arctic Tundra because it rarely rains and since weather conditions are really harsh and cold. Yearly precipitation, including melting snow, is 6 to 10 inches. Soil is formed slowly.
The average temperature in the arctic tundra is the average winter temperature is -25 degrees C, and in the summer it is rarely over 10 degrees C.
The growing summer season in the arctic tundra only lasts 50-60 days. most of the time during the summer it's cloudy and their is a lack of nutrients. In the winter it's mostly dark and can become -25 degrees Fahrenheit.
Tundra regions are found in the northern and southern hemispheres of the world. Between the ice-covered poles and the taiga or coniferous forests.
A few plants from the Arctic Tundra are Arctic Moss, Arctic Willow, Caribou Moss, and Bearberry.
The arctic moss is a plant that can grow all year long. It can grow on the surface, but its primarily an aquatic plant that grows beneath the surface of the water.
The arctic willow is a plant that is found growing on the bottom of tundra lake beds and in and around bogs and fens. They have many different shapes, but they usually have long trailing branches that root when they touch the surface.
Caribou Moss grows on the ground and on rocks. It looks like foamy, gray-green spongy moss. It's actually a lichen that can grow to be 1 to 4 inches tall.
This plant adapts to the Arctic Tundra by it's leathery leaves that help it survive the cold. Also by its fine silky hairs. This plant is a low growing plant.
-Polar bear
-Arctic Hare
-Snowy Owl
-Arctic Fox
-Rock Ptarmigan
-They are among the largest mammal's on Earth.
-They weigh anywhere from 700-1400 pounds.
Rock Ptarmigans are also circumpolar, so they can be found in the north of the the Arctic Circle, including
-Russia
-Sweden
-Canada
-Iceland
-Greenland
-Leaves
-flowers
-berries
-buds
-twigs
-other vegetables.
Threats
Threats of the Tundra
1. Global Warming
2. Oil spills
3. Buildings and Roads
4. Invasive species
global warming
Global warming
The melting of permafrost, which contains carbon dioxide, a greenhouse gas, could result to global warming and that could damage the landscape and the animals.
Oil spills
Oils spills can kill the wildlife which can drastically change the ecosystem.
Oil spills
Buildings and roads
Buildings and roads put heat and pressure on the permafrost causing it to melt and letting the greenhouse gas out into the air.
Buildings and roads
Invasive species push aside native vegetation and reduce diversity of plant coverage. Invasive species in the arctic tundra include: Japanese Ghost Shrimp and the Club sea-squirt.
Invasive species
Even though it's extremely frigid in the Arctic Tundra it's a cool experience to see all of the cool animals and plants that live there. Since, most of those animals can't live in normal climates that you usually live in. It's something you can only see in an arctic tundra.
https://www.windows2universe.org/?page=/earth/ecosystems.html
https://www.nationalgeographic.com/environment/habitats/tundra-biome/
http://www.blueplanetbiomes.org/tundra_plant_page.httm
www.oddizzi.com/teachers/explore-the-world/physical-features/ecosystems/tundra/
https://theecologist.org/